diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index cf2f3f6..5f909e2 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -346,129 +346,8 @@
 
 	scan_barcode() {
 		let me = this;
-
-		if(this.frm.doc.scan_barcode) {
-			frappe.call({
-				method: "erpnext.selling.page.point_of_sale.point_of_sale.search_for_serial_or_batch_or_barcode_number",
-				args: {
-					search_value: this.frm.doc.scan_barcode
-				}
-			}).then(r => {
-				const data = r && r.message;
-				if (!data || Object.keys(data).length === 0) {
-					frappe.show_alert({
-						message: __('Cannot find Item with this Barcode'),
-						indicator: 'red'
-					});
-					return;
-				}
-
-				me.modify_table_after_scan(data);
-			});
-		}
-		return false;
-	}
-
-	modify_table_after_scan(data) {
-		let scan_barcode_field = this.frm.fields_dict["scan_barcode"];
-		let cur_grid = this.frm.fields_dict.items.grid;
-		let row_to_modify = null;
-
-		// Check if batch is scanned and table has batch no field
-		let batch_no_scan = Boolean(data.batch_no) && frappe.meta.has_field(cur_grid.doctype, "batch_no");
-
-		if (batch_no_scan) {
-			row_to_modify = this.get_batch_row_to_modify(data.batch_no);
-		} else {
-			// serial or barcode scan
-			row_to_modify = this.get_row_to_modify_on_scan(row_to_modify, data);
-		}
-
-		if (!row_to_modify) {
-			// add new row if new item/batch is scanned
-			row_to_modify = frappe.model.add_child(this.frm.doc, cur_grid.doctype, 'items');
-			this.frm.script_manager.trigger("items_add", row_to_modify.doctype, row_to_modify.name);
-		}
-
-		if (this.is_duplicate_serial_no(row_to_modify, data.serial_no)) {
-			scan_barcode_field.set_value("");
-			return;
-		};
-
-		this.show_scan_message(row_to_modify.idx, row_to_modify.item_code);
-		this.set_scanned_values(row_to_modify, data, scan_barcode_field);
-	}
-
-	set_scanned_values(row_to_modify, data, scan_barcode_field) {
-		// increase qty and set scanned value and item in row
-		this.frm.from_barcode = this.frm.from_barcode ? this.frm.from_barcode + 1 : 1;
-		frappe.model.set_value(row_to_modify.doctype, row_to_modify.name, {
-			item_code: data.item_code,
-			qty: (row_to_modify.qty || 0) + 1
-		});
-
-		['serial_no', 'batch_no', 'barcode'].forEach(field => {
-			if (data[field] && frappe.meta.has_field(row_to_modify.doctype, field)) {
-				let is_serial_no = row_to_modify[field] && field === "serial_no";
-				let value = data[field];
-
-				if (is_serial_no) {
-					value = row_to_modify[field] + '\n' + data[field];
-				}
-
-				frappe.model.set_value(row_to_modify.doctype, row_to_modify.name, field, value);
-			}
-		});
-
-		scan_barcode_field.set_value('');
-		refresh_field("items");
-	}
-
-	get_row_to_modify_on_scan(row_to_modify, data) {
-		// get an existing item row to increment or blank row to modify
-		const existing_item_row = this.frm.doc.items.find(d => d.item_code === data.item_code);
-		const blank_item_row = this.frm.doc.items.find(d => !d.item_code);
-
-		if (existing_item_row) {
-			row_to_modify = existing_item_row;
-		} else if (blank_item_row) {
-			row_to_modify = blank_item_row;
-		}
-
-		return row_to_modify;
-	}
-
-	get_batch_row_to_modify(batch_no) {
-		// get row if batch already exists in table
-		const existing_batch_row = this.frm.doc.items.find(d => d.batch_no === batch_no);
-		return existing_batch_row || null;
-	}
-
-	is_duplicate_serial_no(row, serial_no) {
-		const is_duplicate = !!serial_no && !!row.serial_no && row.serial_no.includes(serial_no);
-
-		if (is_duplicate) {
-			frappe.show_alert({
-				message: __('Serial No {0} is already added', [serial_no]),
-				indicator: 'orange'
-			}, 5);
-		}
-		return is_duplicate;
-	}
-
-	show_scan_message (idx, exist = null) {
-		// show new row or qty increase toast
-		if (exist) {
-			frappe.show_alert({
-				message: __('Row #{0}: Qty increased by 1', [idx]),
-				indicator: 'green'
-			}, 5);
-		} else {
-			frappe.show_alert({
-				message: __('Row #{0}: Item added', [idx]),
-				indicator: 'green'
-			}, 5);
-		}
+		const barcode_scanner = new erpnext.stock.BarcodeScanner({frm:this.frm});
+		barcode_scanner.process_scan();
 	}
 
 	apply_default_taxes() {
diff --git a/erpnext/public/js/erpnext.bundle.js b/erpnext/public/js/erpnext.bundle.js
index 8409e78..3baf667 100644
--- a/erpnext/public/js/erpnext.bundle.js
+++ b/erpnext/public/js/erpnext.bundle.js
@@ -19,6 +19,7 @@
 import "./education/assessment_result_tool.html";
 import "./call_popup/call_popup";
 import "./utils/dimension_tree_filter";
+import "./utils/barcode_scanner";
 import "./telephony";
 import "./templates/call_link.html";
 import "./bulk_transaction_processing";
diff --git a/erpnext/public/js/utils/barcode_scanner.js b/erpnext/public/js/utils/barcode_scanner.js
new file mode 100644
index 0000000..223ea77
--- /dev/null
+++ b/erpnext/public/js/utils/barcode_scanner.js
@@ -0,0 +1,133 @@
+erpnext.stock.BarcodeScanner = class BarcodeScanner {
+	constructor(opts) {
+		$.extend(this, opts);
+	}
+
+	process_scan() {
+		let me = this;
+
+		if(this.frm.doc.scan_barcode) {
+			frappe.call({
+				method: "erpnext.selling.page.point_of_sale.point_of_sale.search_for_serial_or_batch_or_barcode_number",
+				args: {
+					search_value: this.frm.doc.scan_barcode
+				}
+			}).then(r => {
+				const data = r && r.message;
+				if (!data || Object.keys(data).length === 0) {
+					frappe.show_alert({
+						message: __('Cannot find Item with this Barcode'),
+						indicator: 'red'
+					});
+					return;
+				}
+
+				me.modify_table_after_scan(data);
+			});
+		}
+	}
+
+
+	modify_table_after_scan(data) {
+		let scan_barcode_field = this.frm.fields_dict["scan_barcode"];
+		let cur_grid = this.frm.fields_dict.items.grid;
+		let row_to_modify = null;
+
+		// Check if batch is scanned and table has batch no field
+		let batch_no_scan = Boolean(data.batch_no) && frappe.meta.has_field(cur_grid.doctype, "batch_no");
+
+		if (batch_no_scan) {
+			row_to_modify = this.get_batch_row_to_modify(data.batch_no);
+		} else {
+			// serial or barcode scan
+			row_to_modify = this.get_row_to_modify_on_scan(row_to_modify, data);
+		}
+
+		if (!row_to_modify) {
+			// add new row if new item/batch is scanned
+			row_to_modify = frappe.model.add_child(this.frm.doc, cur_grid.doctype, 'items');
+			this.frm.script_manager.trigger("items_add", row_to_modify.doctype, row_to_modify.name);
+		}
+
+		if (this.is_duplicate_serial_no(row_to_modify, data.serial_no)) {
+			scan_barcode_field.set_value("");
+			return;
+		};
+
+		this.show_scan_message(row_to_modify.idx, row_to_modify.item_code);
+		this.set_scanned_values(row_to_modify, data, scan_barcode_field);
+	}
+
+	set_scanned_values(row_to_modify, data, scan_barcode_field) {
+		// increase qty and set scanned value and item in row
+		this.frm.from_barcode = this.frm.from_barcode ? this.frm.from_barcode + 1 : 1;
+		frappe.model.set_value(row_to_modify.doctype, row_to_modify.name, {
+			item_code: data.item_code,
+			qty: (row_to_modify.qty || 0) + 1
+		});
+
+		['serial_no', 'batch_no', 'barcode'].forEach(field => {
+			if (data[field] && frappe.meta.has_field(row_to_modify.doctype, field)) {
+				let is_serial_no = row_to_modify[field] && field === "serial_no";
+				let value = data[field];
+
+				if (is_serial_no) {
+					value = row_to_modify[field] + '\n' + data[field];
+				}
+
+				frappe.model.set_value(row_to_modify.doctype, row_to_modify.name, field, value);
+			}
+		});
+
+		scan_barcode_field.set_value('');
+		refresh_field("items");
+	}
+
+	show_scan_message (idx, exist = null) {
+		// show new row or qty increase toast
+		if (exist) {
+			frappe.show_alert({
+				message: __('Row #{0}: Qty increased by 1', [idx]),
+				indicator: 'green'
+			}, 5);
+		} else {
+			frappe.show_alert({
+				message: __('Row #{0}: Item added', [idx]),
+				indicator: 'green'
+			}, 5);
+		}
+	}
+
+	is_duplicate_serial_no(row, serial_no) {
+		const is_duplicate = !!serial_no && !!row.serial_no && row.serial_no.includes(serial_no);
+
+		if (is_duplicate) {
+			frappe.show_alert({
+				message: __('Serial No {0} is already added', [serial_no]),
+				indicator: 'orange'
+			}, 5);
+		}
+		return is_duplicate;
+	}
+
+
+	get_batch_row_to_modify(batch_no) {
+		// get row if batch already exists in table
+		const existing_batch_row = this.frm.doc.items.find(d => d.batch_no === batch_no);
+		return existing_batch_row || null;
+	}
+
+	get_row_to_modify_on_scan(row_to_modify, data) {
+		// get an existing item row to increment or blank row to modify
+		const existing_item_row = this.frm.doc.items.find(d => d.item_code === data.item_code);
+		const blank_item_row = this.frm.doc.items.find(d => !d.item_code);
+
+		if (existing_item_row) {
+			row_to_modify = existing_item_row;
+		} else if (blank_item_row) {
+			row_to_modify = blank_item_row;
+		}
+
+		return row_to_modify;
+	}
+};